HUELS AKTIENGESELLSCHAFT

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C08J WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER- TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C C08F, C08G or C08H 177

Top Patents (by citation)

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5830922 Process for post-expansion of pre-expanded polyolefins beadsFeb 20, 98Nov 03, 98[C08J]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6613861 POLYADDITION PRODUCTS CONTAINING HYDROXYL AND URETDIONE GROUPS, PROCESS FOR THEIR PREPARATION, THEIR USE FOR THE PRODUCTION OF HIGHLY REACTIVE POLYURETHANE POWDER COATINGS WHICH ARE FREE FROM ELIMINATION PRODUCTS, AND THE POLYURETHANE POWDER COATINGS PRODUCED ACCORDINGLYExpiredNov 27, 01Sep 02, 03[C08G]
2001/0012,554 Energy-absorbing component and method of producing the sameAbandonedDec 19, 00Aug 09, 01[B29C, B32B]
6207289 Thermoplastic compound for filling pores in wooden materialsExpiredJan 22, 99Mar 27, 01[B27N]
6136871 Process for the preparation of polyolefinic particle foamExpiredJul 30, 98Oct 24, 00[C08J]
6013687 Pre-expanded polyolefin foam beadsExpiredSep 02, 98Jan 11, 00[C08J]
5919568 Powder coating and its use for coating heat-resistant substratesExpiredDec 12, 96Jul 06, 99[C08G, B32B]
5902843 Hot-melt adhesive composition for the coating of interlining materialExpiredMar 22, 96May 11, 99[.67/, 77/0, C08L]
5871823 Hydrophilic coating of surfaces of polymeric substratesExpiredJun 09, 97Feb 16, 99[C08S]
5852154 Cold-curing, low-solvent or solvent-free 2-component polyurethane/polyurea compositionsExpiredNov 15, 96Dec 22, 98[C08G]
5776224 Thickened soil stabilizer, and a packaged ready mix comprising itExpiredMar 25, 96Jul 07, 98[C05D, B65D]
5744675 Process for preparing an oligomer mixture from .alpha.,.omega.-diolefines and mixture prepard.ExpiredDec 13, 95Apr 28, 98[C10M, C07C]
5734165 Microstructured infrared absorption photometerExpiredAug 07, 96Mar 31, 98[G01N]
5720865 Process for the preparation of keto compoundsExpiredNov 30, 95Feb 24, 98[B01D]
5705557 One-component aqueous coating systems containing a reactive additive componentExpiredDec 07, 95Jan 06, 98[C08J, C08F, C08L, C08K]
5705597 Ketone-aldehyde resin with wide compatibility, process for its preparation, and composition containing sameExpiredFeb 14, 95Jan 06, 98[C08G]
5679848 Process for the preparation of terephthalic acid and its isomersExpiredJan 18, 96Oct 21, 97[C07C]
5677038 Hot-melt adhesive composition for the coating of interlining materialExpiredMar 22, 96Oct 14, 97[C09J]
5674559 Process for the preparation of a polymer matrix which becomes cloudy as a function of temperatureExpiredApr 13, 95Oct 07, 97[B32B]
5660807 Process for the removal of HCN from gas mixturesExpiredMay 13, 96Aug 26, 97[B01D]
5652318 Process for the preparation of flexible epoxy resin systemsExpiredJun 04, 96Jul 29, 97[C08G]

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